body {background: rgb(2,0,36);
    background: linear-gradient(90deg, rgba(2,0,36,1) 0%, rgba(255,189,0,1) 46%, rgba(0,212,255,1) 100%); }
.picture { margin-left: auto; margin-right: auto;  width: 600px; height: 520px; }
p {background-color: grey; color: greenyellow; text-align: center; }
a {color: greenyellow; font-size: large;}
.picturesmall { margin-left: auto; margin-right: auto;  width: 450px; height: 520px;}